Tagged Questions

I want to build my own solar water heater. It should heat about 20-30l of water per day to about 60°C. There is about 4-5h of direct sunlight to the place I thought of putting it. How big should my ...

My pool's solar panel valve actuator is not working any more. The temperature panel lights up but the valve seems broken. It doesn't move and I can't manually adjust the handle. I bought the house a ...

I'm considering a passive solar radiant heating installation in the Chicago area and was wondering if it would be feasible to store enough water/energy to support heating for most of the night. The ...

We have solar panels and mains power. Last night was very windy; we heard quite a few bangs from outside and thought it might be the wires getting knocked together. Woke up this morning and we have ...

I'm not sure which way to go . My electric bill is nuts. I have a fireplace and it helps, but it only heats one room. Are there any good solar panels on the market?
I thought about geothermal but I ...

I have a couple deep cycle batteries that trickle charge from a solar panel, for emergency use. Right now the only way I get useful power from them is to use a 12VDC -> 120VAC inverter, e.g. the type ...

Saw another question on solar panels and it reminded me of one big thing that always made me hesitant to consider them.
We get several hail storms each year and having an expensive glass covered(?) ...

So I did a 7K solar system in 2009. A year or two later I was reading about a new converter that removed the penalty for partially obstructed panels. In other words, if one of the 4 panels in a row is ...

I've moved into a house that has a Vaillant Solar system for helping heat the water. We had various issues that resulted in a Vaillant engineer visiting, who pointed out various problems, including a ...

I understand that solar panels generate low DC voltage, and public power lines require high AC voltage. I am also aware of the device called Power Inverter which converts DC power with low voltage to ...

So I have a bit of a moisture issue in my crawl space. I've considered closing up the crawl space completely but I think that sounds like to much work and this idea below sounds more fun.
I was going ...

I recently purchased a home in Maricopa AZ. With that said, I'd like for it to be most efficient. It has a forced air system for heat and cooling. I don't know the size of the cooling unit. How does ...

I am woking on a startup (read: using my computer always). 80% of the time, I generate my own electricity with a petrol/gas generator.
On new years day, the Nigerian government increased the price of ...